ExtremeWireless (Identifi)

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Decoding Identifi DCS stats

  • 1.  Decoding Identifi DCS stats

    Posted 10-18-2018 05:50
    A teacher reported her class was having trouble streaming video, I checked /proc/dcs on the AP3915i and could see there was high utilsation:
    R0 upt relt nfAvg utilAvg txAvg rxSelf rxAvg nfRt utilRt txRt
    R1 upt relt nfAvg utilAvg txAvg rxSelf rxAvg nfRt utilRt txRt
    R0 701186 -2777 -87 60 55 2 5 -92 86 81
    R1 701186 -2777 -84 9 5 2 2 -87 9 5
    R0 701246 -2717 -87 71 67 2 4 -91 86 83
    R1 701246 -2717 -84 8 5 2 2 -87 9 5
    R0 701306 -2657 -87 44 41 1 3 -91 56 51
    R1 701306 -2657 -84 8 5 2 2 -87 8 5
    R0 701366 -2597 -87 26 24 1 3 -91 15 12
    R1 701366 -2597 -84 9 5 2 2 -87 9 6
    [/code]Some of these columns I can work out - noisefloor, utilisation, transmit percentages, but what are the Rt columns about? 10.41.08, I see the AP3825i has similar stats, but the AP3710i doesn't (only nf0 rtChRegUtil0 rtChTxUtil0 nf1 rtChRegUtil1 rtChTxUtil1).



  • 2.  RE: Decoding Identifi DCS stats



  • 3.  RE: Decoding Identifi DCS stats

    Posted 10-24-2018 03:06
    Next question - are any of these exported over SNMP? I've previously been graphing apPerfRadioCurrentChannelUtilization but that is showing as 0 for the time above.



  • 4.  RE: Decoding Identifi DCS stats

    Posted 10-18-2018 06:04
    Ahh, realtime. Perfect, thanks.


  • 5.  RE: Decoding Identifi DCS stats

    Posted 10-24-2018 03:06
    Hi James

    I don't think these stats will perfectly align with the AP's DCS file, but the main OID I've come across is in this article: https://gtacknowledge.extremenetworks.com/articles/Q_A/What-is-DCS-channel-occupancy-threshold-and-what-considerations-are-there-for-configuration

    I think .31 gives DCS noise as well.

    If this isn't what you're looking for you might want to open a case so we can investigate further.

    HTH



  • 6.  RE: Decoding Identifi DCS stats

    Posted 10-24-2018 03:06
    Hmm, .33 isn't what I want, that's just about neighbouring APs and collisions. Maybe if I add up .35 and .37 that will be more what I'm looking